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CVE-2026-33380 Grafana CVE debrief

CVE-2026-33380 is a medium-severity vulnerability in Grafana's SQL Expressions feature. An authenticated attacker can exploit this vulnerability to read arbitrary files from the Grafana server's filesystem. This vulnerability is only exploitable if the sqlExpressions feature toggle is enabled.

Vendor
Grafana
Product
Grafana OSS
CVSS
MEDIUM 6.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-05-13
Original CVE updated
2026-06-17
Advisory published
2026-05-13
Advisory updated
2026-06-17

Who should care

Grafana users with the sqlExpressions feature toggle enabled should be aware of this vulnerability and take steps to mitigate it.

Technical summary

CVE-2026-33380 has a CVSS score of 6.3 and is classified as MEDIUM severity. The vulnerability is caused by a weakness in Grafana's SQL Expressions feature, which allows an authenticated attacker to read arbitrary files from the server's filesystem. The vulnerability is tracked under CWE-552.

Defensive priority

medium

Recommended defensive actions

  • Update to a patched version of Grafana: 11.6.14, 12.2.8, 12.3.6, 12.4.3, or 13.0.1
  • Disable the sqlExpressions feature toggle if not in use

Evidence notes

Evidence from NVD and Grafana's security advisory confirm the existence and details of this vulnerability.

Official resources

CVE-2026-33380 was published on 2026-05-13T20:16:20.697Z and modified on 2026-06-16T19:33:18.130Z.